Water Snake

Any member of the genus Natrix, family Colubridae, and similar snakes. The 65 to 80 species of Natrix occur on all continents except South America. Some authorities place the New World species in several genera, the largest of which is Nerodia. Most water snakes have dark blotches or dorsal streaks on their stout bodies, and the scales are keeled. They are semiaquatic, preying